Improved crossgut-sawing machine



UNITED STATES PATENT OFFICE.

GABRIEL D. PEA-BSCN, lOF YPSILANTI', MICHIGAN.

IMPROVED CROSSCUT-SAWING MACHINE.

` Specifeationforming part of-.Letters Patent No. 40,059.. datedSeptember 22, 1863.

ving.; andA Fdo hereby declare that the followin g is a full and exactdescription of the same, `reference being had' to the accompanyingdrawings, making a part of-this snecication,

Figure l `isa perspective yiew of my ma chine. Fig.. 2 is ,theguide-block.- Fig-3 is chesaw-guides and workngb'an To enahleothers Vtomake and use my invention, I .will proceed to describe its constructionand operation.

i. ',Ehe frame-work a a requires no specificide scription. b b are two`circular guide-posts' between -which the gnidejb'lock is held in properposi# tiQm'andisraised and .lowered as requisite. O. is a drivingwheeland axle to which is attached the handle-.crank d.

E is a small cog-wheel, gearing into drivingwheel C, and fixed to ashalt, at the end of which is a' balance-wheel, F, to which is attachedthe working-bar. g by a wrist on the length to give the saw the desiredlength of cut. The working-bar g is attached by a joint to a groovedslide cross-head, inwerking on flanges of the guide-block, and to whichcrosshead 7L is firmly fixed the saw k.

balance Wheel F, formingacrank of the proper.

L Lare two wrought-iron steel-pointed brace hooks orclutches fastened bybolts to the end 4 of the machine-frame, so shaped as to grip or clutchthe front side of the log.

vK, and-guide-block J, with the ci -M M are two clasp cant-hooks, steelpointed,

`hanging in a joint inthe corners ofv the mais a smalhweight and cordattached to the "crank-shaft N, to. partially balance theweight of theguide-block and working'bar, and thus prevent-,the saw running too heavyinlthe log. The machine is operated by being attached .to the log clearfrom the ground by means of the hooks L L and M M, and when rmlyattached is firmly braced by the brace-rod l?, and is easily operated bvone' man. by the crank D.

` Having thus described my invention, wllat I claim as new, and desireto secure by Letters Patent, is-

The combination of the working-bar G, saw rcular guideposts-b b, and themode of raising and lowering the saw by means of the cranky-shaft N, andthe manner of attaching the machine to the log, arranged and operated inthe manner and for the purpose herein explained.

A. C,-BLODGET, JOHN CARPENTER.

